Some math
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Helprefs
editOn refs and footnotes
editFirst aof all see (BBC 2006), but be sure to check (von Helmholz 1868, This) and (von Helmholtz 1868, That) as well! And why not (Hilbert 1900)
References
edit- BBC (2006). "Name of title". bbc.co.uk. Retrieved 2007-12-21.
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- von Helmholtz, H. (1868). "Über die Tatsachen welche der Geometrie zur Grunde liegen". Nachr. Ges. Wiss. Göttingen.